Cacti and succulents a practical handbook /
Haage, Walther.
Kemp, E. E.
London Studio Vista
1978
This translation originally published: London : Vista Books, 1963. - Translation and revision of: 'Das praktische Kakteenbuch in Farben'. Radebeul : Neumann, 1961
Bibliography: p.250. - Includes index
Succulent plants.